作者: Lyu Kun , Zhou Haihua , Guo Yi , Zhao Yang , Yang Xuewen
DOI:
关键词: Nut 、 Thread (computing) 、 Composite material 、 Slipping 、 Screw thread 、 Materials science
摘要: The present invention discloses an improved screw and screwdriver for preventing thread slipping. comprises a rot nut, the handle, connecting rodand cutter head, anti-thread slipping groove is dug in inner side wall of nut pattern groove, head bulge which are adapted to patter sum width smaller than so as conveniently make way bulge. obtained by improving ordinary screws screwdrivers, tailand avoid tail when implanted or removed.